How long is a red blood cell

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Answer 1

Answer: I suspect this question should read "How long does a red blood cell live." A red blood cell lives for between 100 and 120 days. It takes 7 days for a new red blood cell to develop from stem cells. Stem cells are similar to base cells. They can also be seen as a general template from which specialized cells are made. Stem cells can be taken from a newborn baby's umbilical chord or extracted from an adult blood donor's blood.This

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Lee conducts an experiment to see if mass is conserved when a piece of charcoal is burned for 5.0 minutes. He measures the mass of the charcoal before lighting it with a match. At the end of 5.0 minutes, Lee puts out the fire by suffocating it. After the charcoal has cooled, he measures its mass again. His data are below.Initial Mass | Final Mass.415 | .289Charlene tries to repeat Lee's experiment by using a different piece of charcoal. But she burns the charcoal for just 3.0 minutes and collects all of the gas and dust released by the burning charcoal. She then weighs the total mass of these objects. Her results are below.Initial Mass | Final Mass.498 | .498Charlene's experimental results indicate that mass was conserved. Why do Lee's results indicate that mass was not conserved?He burned the charcoal for a longer period of time than Charlene did.He did not collect the gas and dust released by the burning charcoal.He forgot to measure the mass of the charcoal while it was still burning.Mass is not conserved when an object undergoes a chemical change.
What is the definiten for chemiacal weathering
When copper is hammered into a sheet what type of change has the matter gone through?
Assessment timer and count Assessment items Item 3 What condition would most likely cause a decrease in the salinity of ocean water? freezing of glaciers extremely hot weather high rates of evaporation a river flowing into the sea
Given the balanced equation representing a reaction:H2O + HCl ==> H3O+ + Cl- According to one acid-base theory, the H2O molecule (1) accepts H+ ions (3) donate H+ ions (2) accepts OH- ions (4) donates OH- ions

Three of the primary components of air arecarbon dioxide, nitrogen, and oxygen. In a
sample containing a mixture of only these
gases at exactly one atmosphere pressure, the
partial pressures of carbon dioxide and ni-
trogen are given as Pco, = 0.285 torr and
PN = 634.034 torr. What is the partial pres-
sure of oxygen?
Answer in units of torr.

Answers

Answer:

125.681 torr

Explanation:

The formula to calculate the partial pressure of oxygen:

P(O2) = Pcommon - PCO2 - PN2

1 atm = 760 torr

Therefore you need to find the partial pressure of oxygen:

P(O2) = 760 torr -0.285 torr - 634.034 torr =130.013 torr

- Hope that helped!

Did you know you have to answer 1000 questions to be able to message someone?

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Answer: i didnt know that

Explanation:

Answer: Yes this is in fact true

Explanation:

How The Distance Between two celestial Bodies Impacts Their gravitational attraction

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The closer they are, the greater the gravitational pull they will have on each other. Size also affects the gravitational pull of the celestial bodies because the larger the body the greater the pull it will have.

PLZZZZ HELPPPPPPPPPPPP

Which correctly describes molecule "a" in this diagram

Answers

Answer is: adenosine triphosphate.

ATP is made of three components: the triphosphate (P), the sugar ribose and a nitrogenous base (adenine).

ATP is short for adenosine triphosphate

Adenosine triphosphate converts to either the adenosine diphosphate (ADP) or adenosine monophosphate (AMP), in this process energy is released.

The correct answer is A- Adenosine Triphosphate

Hope this helped! :)

if an astronaut moved away from Earth in the direction of the moon, how would the gravitational force between Earth and the astronaut change?Explain

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As the astronaut moved away from Earth, the gravitational force between Earth and the astronaut will decrease.

What is the gravitational force?

The gravitational force can be described as a force that attracts any two objects having mass. The gravitational force is an attractive force because it always tries to pull masses together, it never pushes objects apart.

In the universe, each object with mass attracts every other object with a certain force, and that attraction force is directly proportional to the product of the masses of those objects.

The objects that are far apart from each other, don't pull on each other but the force is there and we can calculate it from the Gravitational Force Formula,

F = Gm₁m₂/r²

Where F is the gravitational force between two objects, m₁ is the mass of the first object, m₂ is the mass of the second object and 'r' is the distance between the centers of two objects.

The earth pulls everything towards itself because of the gravitational force. As the astronaut moved away from the earth the influence gravitational force of the earth or gravity will decrease.

Learn more about gravitational force, here:

brainly.com/question/12528243

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The gravitational force would change because once the astronaut moves away from the Earth, the gravitational force gets weaker.

when acceleration is held constant and objects of different mass are observed,are mass and force directly proportional or inversely proportional?Explain.

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Yes. When two things are directly prortional, that means that as one increases, the other increases at the same rate. So, say you have a 2kg object at an acceleration of 2m/s^2. The force would be 4N. If you have a 3kg object at an acceleration of 2m/s^2, the force would be 6N. If two things are inversely proportional, that means that as one thing increases the other decreases at the same rate. A good example of this is in a chemical reaction. If you increase the surface area of the reactants, the reaction time decreases. They are inversely proportional.

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